Carnitine palmitoyltransferase II

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Identifiers
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External IDs	GeneCards: [1]
Orthologs
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	Wikidata
View/Edit Human

Carnitine O-palmitoyltransferase 2, mitochondrial is an enzyme that in humans is encoded by the CPT2 gene.^[1]^[2]

Function

Carnitine palmitoyltransferase II precursor (CPT2) is a mitochondrial membrane protein which is transported to the mitochondrial inner membrane. CPT2 together with carnitine palmitoyltransferase I oxidizes long-chain fatty acids in the mitochondria. Defects in this gene are associated with mitochondrial long-chain fatty-acid (LCFA) oxidation disorders and carnitine palmitoyltransferase II deficiency.^[2]

File:Acyl-CoA from cytosol to the mitochondrial matrix.svg

Acyl-CoA from cytosol to the mitochondrial matrix

Model organisms

Model organisms have been used in the study of CPT2 function. A conditional knockout mouse line called Cpt2^{tm1b(KOMP)Wtsi} was generated at the Wellcome Trust Sanger Institute.^[3] Male and female animals underwent a standardized phenotypic screen^[4] to determine the effects of deletion.^[5]^[6]^[7]^[8] Additional screens performed: - In-depth immunological phenotyping^[9]

*Cpt2* knockout mouse phenotype
Characteristic	Phenotype
All data available at.^[4]^[9]
Peripheral blood leukocytes 6 Weeks	Normal
Haematology 6 Weeks	Normal
Insulin	Normal
Homozygous viability at P14	Abnormal
Body weight	Normal
Neurological assessment	Normal
Grip strength	Normal
Dysmorphology	Normal
Indirect calorimetry	Normal
Glucose tolerance test	Normal
Auditory brainstem response	Normal
DEXA	Normal
Radiography	Abnormal
Eye morphology	Normal
Clinical chemistry	Normal
Haematology 16 Weeks	Normal
Peripheral blood leukocytes 16 Weeks	Normal
Heart weight	Normal
Salmonella infection	Normal
Cytotoxic T Cell Function	Normal
Spleen Immunophenotyping	Normal
Mesenteric Lymph Node Immunophenotyping	Normal
Epidermal Immune Composition	Normal
Influenza Challenge	Normal

References

↑ Minoletti F, Colombo I, Martin AL, Di Donato S, Taroni F, Finocchiaro G, Pandolfo M (Sep 1992). "Localization of the human gene for carnitine palmitoyltransferase to 1p13-p11 by nonradioactive in situ hybridization". Genomics. 13 (4): 1372–1374. doi:10.1016/0888-7543(92)90076-5. PMID 1339389. (Retracted)
↑ ^2.0 ^2.1 "Entrez Gene: CPT2 carnitine palmitoyltransferase II".
↑ Gerdin AK (2010). "The Sanger Mouse Genetics Programme: high throughput characterisation of knockout mice". Acta Ophthalmologica. 88: 925–7. doi:10.1111/j.1755-3768.2010.4142.x.
↑ ^4.0 ^4.1 "International Mouse Phenotyping Consortium".
↑ Skarnes WC, Rosen B, West AP, Koutsourakis M, Bushell W, Iyer V, Mujica AO, Thomas M, Harrow J, Cox T, Jackson D, Severin J, Biggs P, Fu J, Nefedov M, de Jong PJ, Stewart AF, Bradley A (Jun 2011). "A conditional knockout resource for the genome-wide study of mouse gene function". Nature. 474 (7351): 337–42. doi:10.1038/nature10163. PMC 3572410. PMID 21677750.
↑ Dolgin E (Jun 2011). "Mouse library set to be knockout". Nature. 474 (7351): 262–3. doi:10.1038/474262a. PMID 21677718.
↑ Collins FS, Rossant J, Wurst W (Jan 2007). "A mouse for all reasons". Cell. 128 (1): 9–13. doi:10.1016/j.cell.2006.12.018. PMID 17218247.
↑ White JK, Gerdin AK, Karp NA, Ryder E, Buljan M, Bussell JN, Salisbury J, Clare S, Ingham NJ, Podrini C, Houghton R, Estabel J, Bottomley JR, Melvin DG, Sunter D, Adams NC, Sanger Institute Mouse Genetics Project, Tannahill D, Logan DW, Macarthur DG, Flint J, Mahajan VB, Tsang SH, Smyth I, Watt FM, Skarnes WC, Dougan G, Adams DJ, Ramirez-Solis R, Bradley A, Steel KP (2013). "Genome-wide generation and systematic phenotyping of knockout mice reveals new roles for many genes". Cell. 154 (2): 452–64. doi:10.1016/j.cell.2013.06.022. PMC 3717207. PMID 23870131.
↑ ^9.0 ^9.1 "Infection and Immunity Immunophenotyping (3i) Consortium".

Bonnefont JP, Demaugre F, Prip-Buus C, Saudubray JM, Brivet M, Abadi N, Thuillier L (2000). "Carnitine palmitoyltransferase deficiencies". Mol. Genet. Metab. 68 (4): 424–440. doi:10.1006/mgme.1999.2938. PMID 10607472.
van der Leij FR, Huijkman NC, Boomsma C, Kuipers JR, Bartelds B (2000). "Genomics of the human carnitine acyltransferase genes". Mol. Genet. Metab. 71 (1–2): 139–153. doi:10.1006/mgme.2000.3055. PMID 11001805.
Sigauke E, Rakheja D, Kitson K, Bennett MJ (2003). "Carnitine palmitoyltransferase II deficiency: a clinical, biochemical, and molecular review". Lab. Invest. 83 (11): 1543–1554. doi:10.1097/01.LAB.0000098428.51765.83. PMID 14615409.
Taroni F, Verderio E, Fiorucci S, Cavadini P, Finocchiaro G, Uziel G, Lamantea E, Gellera C, DiDonato S (1992). "Molecular characterization of inherited carnitine palmitoyltransferase II deficiency". Proc. Natl. Acad. Sci. U.S.A. 89 (18): 8429–8433. doi:10.1073/pnas.89.18.8429. PMC 49933. PMID 1528846.
Finocchiaro G, Taroni F, Rocchi M, Liras Martin A, Colombo I, Tarelli GT, DiDonato S (1992). "cDNA cloning, sequence analysis, and chromosomal localization of human carnitine palmitoyltransferase". Proc. Natl. Acad. Sci. U.S.A. 88 (23): 10981–10981. doi:10.1073/pnas.88.23.10981. PMC 53056. PMID 1961767.
Finocchiaro G, Taroni F, Rocchi M, Martin AL, Colombo I, Tarelli GT, DiDonato S (1991). "cDNA cloning, sequence analysis, and chromosomal localization of the gene for human carnitine palmitoyltransferase". Proc. Natl. Acad. Sci. U.S.A. 88 (2): 661–665. doi:10.1073/pnas.88.2.661. PMC 50872. PMID 1988962.
Finocchiaro G, Colombo I, DiDonato S (1991). "Purification, characterization and partial amino acid sequences of carnitine palmitoyl-transferase from human liver". FEBS Lett. 274 (1–2): 163–166. doi:10.1016/0014-5793(90)81354-Q. PMID 2174799.
Verderio E, Cavadini P, Montermini L, Wang H, Lamantea E, Finocchiaro G, DiDonato S, Gellera C, Taroni F (1995). "Carnitine palmitoyltransferase II deficiency: structure of the gene and characterization of two novel disease-causing mutations". Hum. Mol. Genet. 4 (1): 19–29. doi:10.1093/hmg/4.1.19. PMID 7711730.
Britton CH, Schultz RA, Zhang B, Esser V, Foster DW, McGarry JD (1995). "Human liver mitochondrial carnitine palmitoyltransferase I: characterization of its cDNA and chromosomal localization and partial analysis of the gene". Proc. Natl. Acad. Sci. U.S.A. 92 (6): 1984–1988. doi:10.1073/pnas.92.6.1984. PMC 42407. PMID 7892212.
Gellera C, Verderio E, Floridia G, Finocchiaro G, Montermini L, Cavadini P, Zuffardi O, Taroni F (1995). "Assignment of the human carnitine palmitoyltransferase II gene (CPT1) to chromosome 1p32". Genomics. 24 (1): 195–197. doi:10.1006/geno.1994.1605. PMID 7896283.
Montermini L, Wang H, Verderio E, Taroni F, DiDonato S, Finocchiaro G (1994). "Identification of 5' regulatory regions of the human carnitine palmitoyltransferase II gene". Biochim. Biophys. Acta. 1219 (1): 237–40. doi:10.1016/0167-4781(94)90280-1. PMID 8086471.
Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–174. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
Taroni F, Verderio E, Dworzak F, Willems PJ, Cavadini P, DiDonato S (1993). "Identification of a common mutation in the carnitine palmitoyltransferase II gene in familial recurrent myoglobinuria patients". Nat. Genet. 4 (3): 314–320. doi:10.1038/ng0793-314. PMID 8358442.
Verderio E, Cavadini P, Pandolfo M, DiDonato S, Taroni F (1993). "Two novel sequence polymorphisms of the human carnitine palmitoyltransferase II (CPT1) gene". Hum. Mol. Genet. 2 (3): 334–334. doi:10.1093/hmg/2.3.334. PMID 8499929.
Bonnefont JP, Taroni F, Cavadini P, Cepanec C, Brivet M, Saudubray JM, Leroux JP, Demaugre F (1996). "Molecular analysis of carnitine palmitoyltransferase II deficiency with hepatocardiomuscular expression". Am. J. Hum. Genet. 58 (5): 971–8. PMC 1914604. PMID 8651281.
Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, Suyama A, Sugano S (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–156. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
Wataya K, Akanuma J, Cavadini P, Aoki Y, Kure S, Invernizzi F, Yoshida I, Kira J, Taroni F, Matsubara Y, Narisawa K (1998). "Two CPT2 mutations in three Japanese patients with carnitine palmitoyltransferase II deficiency: functional analysis and association with polymorphic haplotypes and two clinical phenotypes". Hum. Mutat. 11 (5): 377–386. doi:10.1002/(SICI)1098-1004(1998)11:5<377::AID-HUMU5>3.0.CO;2-E. PMID 9600456.
Yang BZ, Ding JH, Dewese T, Roe D, He G, Wilkinson J, Day DW, Demaugre F, Rabier D, Brivet M, Roe C (1998). "Identification of four novel mutations in patients with carnitine palmitoyltransferase II (CPT II) deficiency". Mol. Genet. Metab. 64 (4): 229–236. doi:10.1006/mgme.1998.2711. PMID 9758712.
Taggart RT, Smail D, Apolito C, Vladutiu GD (1999). "Novel mutations associated with carnitine palmitoyltransferase II deficiency". Hum. Mutat. 13 (3): 210–220. doi:10.1002/(SICI)1098-1004(1999)13:3<210::AID-HUMU5>3.0.CO;2-0. PMID 10090476.

[pmid1339389-1] Minoletti F, Colombo I, Martin AL, Di Donato S, Taroni F, Finocchiaro G, Pandolfo M (Sep 1992). "Localization of the human gene for carnitine palmitoyltransferase to 1p13-p11 by nonradioactive in situ hybridization". Genomics. 13 (4): 1372–1374. doi:10.1016/0888-7543(92)90076-5. PMID 1339389. (Retracted)

[entrez-2] 2.0 ^2.1 "Entrez Gene: CPT2 carnitine palmitoyltransferase II".

[mgp_reference-3] Gerdin AK (2010). "The Sanger Mouse Genetics Programme: high throughput characterisation of knockout mice". Acta Ophthalmologica. 88: 925–7. doi:10.1111/j.1755-3768.2010.4142.x.

[IMPCsearch_ref-4] 4.0 ^4.1 "International Mouse Phenotyping Consortium".

[pmid21677750-5] Skarnes WC, Rosen B, West AP, Koutsourakis M, Bushell W, Iyer V, Mujica AO, Thomas M, Harrow J, Cox T, Jackson D, Severin J, Biggs P, Fu J, Nefedov M, de Jong PJ, Stewart AF, Bradley A (Jun 2011). "A conditional knockout resource for the genome-wide study of mouse gene function". Nature. 474 (7351): 337–42. doi:10.1038/nature10163. PMC 3572410. PMID 21677750.

[mouse_library-6] Dolgin E (Jun 2011). "Mouse library set to be knockout". Nature. 474 (7351): 262–3. doi:10.1038/474262a. PMID 21677718.

[mouse_for_all_reasons-7] Collins FS, Rossant J, Wurst W (Jan 2007). "A mouse for all reasons". Cell. 128 (1): 9–13. doi:10.1016/j.cell.2006.12.018. PMID 17218247.

[pmid23870131-8] White JK, Gerdin AK, Karp NA, Ryder E, Buljan M, Bussell JN, Salisbury J, Clare S, Ingham NJ, Podrini C, Houghton R, Estabel J, Bottomley JR, Melvin DG, Sunter D, Adams NC, Sanger Institute Mouse Genetics Project, Tannahill D, Logan DW, Macarthur DG, Flint J, Mahajan VB, Tsang SH, Smyth I, Watt FM, Skarnes WC, Dougan G, Adams DJ, Ramirez-Solis R, Bradley A, Steel KP (2013). "Genome-wide generation and systematic phenotyping of knockout mice reveals new roles for many genes". Cell. 154 (2): 452–64. doi:10.1016/j.cell.2013.06.022. PMC 3717207. PMID 23870131.

[iii_ref-9] 9.0 ^9.1 "Infection and Immunity Immunophenotyping (3i) Consortium".

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v t e Transferases: acyltransferases (EC 2.3)
2.3.1: other than amino-acyl groups	acetyltransferases: Acetyl-Coenzyme A acetyltransferase N-Acetylglutamate synthase Choline acetyltransferase Dihydrolipoyl transacetylase Acetyl-CoA C-acyltransferase Beta-galactoside transacetylase Chloramphenicol acetyltransferase N-acetyltransferase Serotonin N-acetyl transferase HGSNAT ARD1A Histone acetyltransferase P300/CBP NAT2 palmitoyltransferases: Carnitine O-palmitoyltransferase CPT1 CPT2 Serine C-palmitoyltransferase SPTLC1 SPTLC2 other: Acyltransferase like 2 Aminolevulinic acid synthase Beta-ketoacyl-ACP synthase Glyceronephosphate O-acyltransferase Lecithin—cholesterol acyltransferase Glycerol-3-phosphate O-acyltransferase 1-acylglycerol-3-phosphate O-acyltransferase 2-acylglycerol-3-phosphate O-acyltransferase ABHD5
2.3.2: Aminoacyltransferases	Gamma-glutamyl transpeptidase Peptidyl transferase Transglutaminase Tissue transglutaminase Keratinocyte transglutaminase Factor XIII
2.3.3: converted into alkyl on transfer	Citrate synthase ATP citrate lyase HMG-CoA synthase Malate synthase

Carnitine palmitoyltransferase II

Contents

Function

Model organisms

See also

References

Further reading

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